Carvin Quad X-Amp Cascade Tube Module (00103) - Ch4 preset

Close · 75/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Carvin Quad X-Amp Cascade Tube Module (00103, Rev C) is the PCB Rev C of the cascade tube gain module used in the Quad X-Amp rack preamplifier system.

• Years produced: 1992
• Made in: USA
• Channels: 1
• Preamp tubes: 12AX7

Tags: american, high-gain, vintage.

Schematic-derived preset files for 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

Gridleak extracts amp parameters from original circuit schematics using AI vision — component values, gain staging, tone stack topology, tube types — then generates native preset files for every supported modeler. Every extraction is scored 0–100 and the score is published.